Breslau training and friendly games, including 32 Anderssen–Zukertort scores, two Zukertort–Neumann scores and two games against unnamed opponents. The surviving collection is not one scored tournament or formal match.
Incomplete record. This archive holds 36 games of this event; the others are missing, and the number played is not established. The published 1864 Anderssen–Zukertort record has nine games, while eight scores survive here; the complete number played across 1864–65 is unknown.